CN207526805U - A kind of low friction double-act-ing hydraulic J-Horner - Google Patents
A kind of low friction double-act-ing hydraulic J-Horner Download PDFInfo
- Publication number
- CN207526805U CN207526805U CN201721556466.5U CN201721556466U CN207526805U CN 207526805 U CN207526805 U CN 207526805U CN 201721556466 U CN201721556466 U CN 201721556466U CN 207526805 U CN207526805 U CN 207526805U
- Authority
- CN
- China
- Prior art keywords
- piston
- piston rod
- slot
- end cap
- cylinder barrel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Pistons, Piston Rings, And Cylinders (AREA)
- Actuator (AREA)
Abstract
The utility model discloses a kind of low friction double-act-ing hydraulic J-Horners, and including piston, piston rod, fixed slot connects card slot, c-type snap ring, bar snap ring, piston seal slot, piston packing, cylinder barrel；It is whole both-end bar piston that the piston bush, which is equipped with piston rod,；Connection card slot is equipped in the middle part of the piston rod, the piston is equipped with fixed slot, and two-way close fit is locked there are two c-type snap ring, and by screw in the fixed slot and connection card slot；The piston outer periphery is equipped with two piston seal slots and piston packing, and there are two bar snap rings for the piston two sides socket；The piston rod tail portion is socketed with rear end cap, outside is socketed with cylinder barrel, front end is equipped with drive end bearing bracket；The utility model uses integral type optical axis piston rod, concentricity is high, is fixedly attached piston and piston rod screens by c-type snap ring, inboard wall of cylinder block hard chrome plating, piston and piston rod outer surface spraying ultrafine ceramic powder foam layer, realize that whole both-end bar high speed piston is stretched, contracts, low friction work.
Description
Technical field
The utility model is related to hydraulic cylinder technical equipment field, more particularly to a kind of low friction double-act-ing hydraulic J-Horner.
Background technology
Double acting hydraulic cylinder actuator is the main output equipment of hydraulic motion system, although in size, type and setting
It has nothing in common with each other in meter structure, but usually this part is the part that can be most observed.Actuator is by two-way cylinder by liquid
Body pressure conversion is into quick, controllable linear movement or power, so as to drive load.Double acting cylinder body is most common hydraulic cylinder
Body type provides the stroke of the output of both direction.
Traditional two-way cylinder uses such as lower structure：Piston both ends are respectively charged into piston rod, i.e., piston/piston rod construction by
One piston and two sections of piston rod compositions, one end of piston rod are connected to by the way of being threadedly coupled on piston, and the other end is made
Cylinder body is stretched out for working end, constitutes double acting hydraulic cylinder.
In the prior art, the piston rod in two-way cylinder uses split type two sections of bar type structures, is connect respectively with piston
It is fixed as same axis body；Its connection mode there are the defects of show as：1st, two-way cylinder needs both sides to stretch out piston rod, and piston
Piston on bar must be installed, since this structure will process screw thread on side face of piston ring, assembled to reach
The concentricity requirement of both sides piston rod after finishing so that the thread coaxiality requirement of side face of piston ring is very high, not only increases and adds
Work difficulty, once and concentricity cannot be guaranteed, just will appear oil leakage phenomenon；2nd, form processing is complicated, technique assembling and its
Installation is inconvenient, and of high cost, and service life and working efficiency are relatively low.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of low friction double-act-ing hydraulic J-Horner, for existing
Deficiency in technology using integral type optical axis machine-shaping piston rod, fundamentally ensures that concentricity is accurately consistent；And pass through two
Piston is fixedly attached by fixing slot, connecting the mutual screens of card slot as the work of monoblock type both-end bar by a c-type snap ring with piston rod
Plug；And ultrafine ceramic powder foam layer is sprayed in inboard wall of cylinder block hard chrome plating, piston and piston rod outer surface, one-piece piston is realized with this
Bar is stretched, contracting when can at a high speed, low friction work.
In order to achieve the above objectives, the technical solution of the utility model is as follows：A kind of low friction double-act-ing hydraulic J-Horner, including
Piston, piston rod, fixed slot, connection card slot, c-type snap ring, bar snap ring, piston seal slot, piston packing, cylinder barrel, front end
Lid, rear end cap, front oil pocket, back oil pocket, interior sealing slot, inner seal ring, ante-chamber into oil outlet, back cavity into oil outlet, piston rod head,
Piston rod tail, installs end cap, fixing bolt, tail portion stop collar at preceding installation end cap afterwards, it is characterised in that：
The piston and piston rod are using GCr15 steel makings, quenched ranging from HRC:30-45, the cylinder barrel employ through
The 45# steel makings of Overheating Treatment, quenched ranging from HRC:20—30；The piston centre is provided with through-hole, is covered in the through-hole
It connects and is provided with piston rod as the whole both-end bar piston of piston rod head and piston rod tail is respectively provided with；In the middle part of the piston rod with
Piston socket place is provided with the connection card slot of relative direction configuration, is provided with admittedly on the piston with connecting the matched position of card slot
Determine slot, there are two c-type snap rings, two c-type snap rings to pass through for two-way close fit in the fixed slot and connection card slot
Screw locks；Two piston seal slots are provided on the outer circumference surface of the piston, piston is equipped in the piston seal slot
Sealing ring, the piston packing on the piston are connect with inner wall of cylinder sliding sealing；The piston and piston rod socket
There are two bar snap rings for socket setting respectively on the piston rod of two sides；Piston rod tail portion upper sleeve gasket, which connects, is provided with rear end
Lid, the entirety both-end bar piston exterior socket are provided with cylinder barrel, and the front end of the cylinder barrel is equipped with drive end bearing bracket, the cylinder barrel point
It is not clamped with drive end bearing bracket, rear end cap sealing；Installation end cap, the rear end postoperculum before screens socket is provided on the drive end bearing bracket
End cap after being provided with is installed, is fixedly connected between installation end cap and rear installation end cap by six roots of sensation fixing bolt before described, it is described
Socket is provided with tail portion stop collar on piston rod tail.
Front end face, drive end bearing bracket, the cylinder barrel of the piston surround out the front oil pocket of annular, are provided on the drive end bearing bracket with before
The ante-chamber of oil pocket connection is into oil outlet；Rear end face, rear end cap, the cylinder barrel of the piston surround out the back oil pocket of annular, after described
It is provided with and is connected with back oil pocket and back cavity is into oil outlet on end cap.
A plurality of interior sealing slot, institute's art are respectively arranged on the drive end bearing bracket, rear end cap and piston rod socket place inner peripheral wall
Inner seal ring is equipped in interior sealing slot；External seal slot is provided on the socket periphery of the drive end bearing bracket, rear end cap and cylinder barrel
And exterior seal ring.
The inner wall of the cylinder barrel is electroplate with hard chrome, and surface roughness is less than or equal to 0.2 μm；The entirety both-end bar is lived
Plug surface spraying is provided with Investigation for Super-fine Cermets powder bed, and the hardness of the Investigation for Super-fine Cermets powder bed is more than or equal to 900HV,
Surface roughness is less than or equal to 0.1 μm；Therefore reduce the frictional force between inner wall of cylinder and piston, piston rod；The piston piston
Concentricity is less than or equal to 0.05mm between seal groove, ensure whole both-end bar piston stretch, contracting when can high-speed cruising, reduction is low to rub
Wipe power.
The piston packing is installed on position among piston, and the piston packing is kept off using the pressure resistance of low friction oil resistant
Circle, can bear the pressure that high pressure reaches 40MPa, and under high-pressure situations whole both-end bar piston can high-speed cruising, low pressure
In the case of without creep, non-jitter phenomenon, realize the operation of low pressure and mass flow high-speed smooth.
The operation principle of the utility model is：It is configured using piston rod and piston monoblock type, stock utilization is high, is processed into
This is low, and scale error occurs in even piston seal groove, and the cost for scrapping piston is significantly smaller than the cost of piston rod, reduces
Production cost；It is intermediate by a set of two c-type snap rings using card slot fixed form among two-way cylinder piston rod and piston,
Position among piston rod is stuck in, plays positioning action.
Through the above technical solutions, the advantageous effect of technical solutions of the utility model is：It is processed into using integral type optical axis
Type piston rod fundamentally ensures that concentricity is accurately consistent；And pass through two c-type snap rings and piston and piston rod are passed through into fixing groove
Hole, the connection mutual screens of card slot are fixedly attached as whole both-end bar piston；And outside inboard wall of cylinder block hard chrome plating, piston and piston rod
Surface spraying ultrafine ceramic powder foam layer, the cylinder barrel material uses GCr15 steel using 45# steel, whole both-end bar piston material, real
Now whole both-end bar piston stretch, contracting when can at a high speed, low friction works；Form processing is simple, technique assembling and its it is easy for installation,
And processing cost is relatively low, so as to improve work efficiency, extends service life.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is a kind of low friction double-act-ing hydraulic J-Horner internal structure section diagram disclosed in the utility model embodiment
It is intended to；
Fig. 2 is a kind of low friction double-act-ing hydraulic J-Horner external structure schematic diagram disclosed in the utility model embodiment.
Corresponding component title of the number represented by with letter in figure：
1. 2. piston rod 3. of piston fixes slot 4. and connects card slot
7. piston seal slot of 5.C types 6. bar snap ring of snap ring, 8. piston packing
9. 10. drive end bearing bracket of cylinder barrel, 11. rear end cap, 12. front oil pocket
13. 14. interior sealing slot of back oil pocket, 15. inner seal ring, 16. ante-chamber is into oil outlet
17. back cavity is into installing end cap before 18. piston rod head of oil outlet, 19. piston rod tail 20.
21. 22. fixing bolt of end cap, 23. tail portion stop collar is installed after
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without creative efforts
All other embodiments obtained shall fall within the protection scope of the present invention.
According to Fig. 1 and Fig. 2, the utility model provides a kind of low friction double-act-ing hydraulic J-Horner, including piston 1, piston
Bar 2, fixed slot 3, connection card slot 4, c-type snap ring 5, bar snap ring 6, piston seal slot 7, piston packing 8, cylinder barrel 9, drive end bearing bracket
10th, rear end cap 11, front oil pocket 12, back oil pocket 13, interior sealing slot 14, inner seal ring 15, ante-chamber are into oil outlet 16, back cavity into fuel-displaced
Hole 17, piston rod head 18, piston rod tail 19, preceding installation end cap 20, rear installation end cap 21, fixing bolt 22, tail portion stop collar 23.
The piston 1 and piston rod 2 use GCr15 steel makings, quenched ranging from HRC:30-45, the cylinder barrel 9 uses
45# steel makings through Overheating Treatment, quenched ranging from HRC:20—30；The piston 1 is provided centrally with through-hole, the through-hole
Middle socket, which is provided with piston rod 2, becomes the whole both-end bar piston for being respectively provided with piston rod head 18 and piston rod tail 19；The work
The middle part of stopper rod 2 is provided with the connection card slot 4 of relative direction configuration with 1 socket place of piston, with connecting card slot 4 on the piston 1
The position matched is provided with fixed slot 3, in the fixed slot 3 and connection card slot 4 two-way close fit there are two c-type snap ring 5,
Two c-type snap rings 5 are locked by screw；Two piston seal slots 7 are provided on the outer circumference surface of the piston 1, it is described
It is equipped with piston packing 8 in piston seal slot 7, the piston packing 8 on the piston 1 and 9 inner wall sliding sealing of cylinder barrel
Connection；There are two bar snap rings 6 for socket setting respectively on the piston rod 2 for the two sides that the piston 1 is socketed with piston rod 2；It is described
The 19 sealing sockets of piston rod tail are provided with rear end cap 11, and the entirety both-end bar piston exterior socket is provided with cylinder barrel 9, described
The front end of cylinder barrel 9 is equipped with drive end bearing bracket 10, and the cylinder barrel 9 is clamped respectively with drive end bearing bracket 10, the sealing of rear end cap 11；The drive end bearing bracket
Installation end cap 20 before screens socket is provided on 10,11 rear portion of rear end cap are installed end cap 21, are installed before described after being provided with
It is fixedly connected between end cap 20 and rear installation end cap 21 by six roots of sensation fixing bolt 22, is socketed and is provided on the piston rod tail 19
Tail portion stop collar 23.
Front end face, drive end bearing bracket 10, the cylinder barrel 9 of the piston 1 surround out the front oil pocket 12 of annular, are set on the drive end bearing bracket 10
It is equipped with the ante-chamber that front oil pocket 12 connects into oil outlet 16；Rear end face, rear end cap 11, the cylinder barrel 9 of the piston 1 surround out annular
Back oil pocket 13, be provided on the rear end cap 11 and connected with back oil pocket 13 and back cavity is into oil outlet 17.
A plurality of interior sealing slot is respectively arranged on the drive end bearing bracket 10, rear end cap 11 and 2 socket place inner peripheral wall of piston rod
14, inner seal ring 15 is equipped in institute's art interior sealing slot 14；The socket periphery of the drive end bearing bracket 10, rear end cap 11 and cylinder barrel 9
On be provided with external seal slot and exterior seal ring.
The inner wall of the cylinder barrel 9 is electroplate with hard chrome, and surface roughness is less than or equal to 0.2 μm；The entirety both-end bar
Piston face spraying is provided with Investigation for Super-fine Cermets powder bed, and the hardness of the Investigation for Super-fine Cermets powder bed is more than or equal to
900HV, surface roughness are less than or equal to 0.1 μm；Therefore reduce the frictional force between 9 inner wall of cylinder barrel and piston 1, piston rod 2；It is described
Concentricity is less than or equal to 0.05mm between 1 piston seal slot 7 of piston, ensure whole both-end bar piston stretch, contracting when can transport at a high speed
Row reduces low-frictional force.
The piston packing 8 is installed on position among piston, and the piston packing 8 is using low friction oil resistant pressure resistance gear
Circle, can bear the pressure that high pressure reaches 40MPa, and under high-pressure situations whole both-end bar piston can high-speed cruising, low pressure
In the case of without creep, non-jitter phenomenon, realize the operation of low pressure and mass flow high-speed smooth.
The utility model concrete operation step is：It is configured using piston rod 2 and 1 monoblock type of piston, stock utilization is high, adds
Work is at low cost, and scale error occurs in even piston seal groove, and the cost for scrapping piston 1 is significantly smaller than the cost of piston rod 2,
Reduce production cost；Two-way cylinder piston rod 2 using card slot fixed form, centre among piston 1 with passing through a set of two C
Type snap ring 5 is stuck in position among piston rod, plays positioning and be connected to one.
By above-mentioned specific embodiment, the beneficial effects of the utility model are：Using integral type optical axis machine-shaping piston
Bar fundamentally ensures that concentricity is accurately consistent；And pass through two c-type snap rings by piston and piston rod by fixing slot, connecting
The mutual screens of card slot is connect to be fixedly attached as whole both-end bar piston；And in inboard wall of cylinder block hard chrome plating, piston and piston rod outer surface
Ultrafine ceramic powder foam layer is sprayed, the cylinder barrel material, using GCr15 steel, is realized whole using 45# steel, whole both-end bar piston material
Body both-end bar piston is stretched, contracting when can at a high speed, low friction work；Form processing is simple, technique assembling and its it is easy for installation, and
Processing cost is relatively low, so as to improve work efficiency, extends service life.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or new using this practicality
Type.A variety of modifications of these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide range consistent with features of novelty.
Claims (5)
1. a kind of low friction double-act-ing hydraulic J-Horner, which is characterized in that including piston, piston rod, fixed slot, connection card slot, C
Type snap ring, bar snap ring, piston seal slot, piston packing, cylinder barrel, drive end bearing bracket, rear end cap, front oil pocket, back oil pocket, interior sealing
Slot, inner seal ring, ante-chamber into oil outlet, back cavity into oil outlet, piston rod head, piston rod tail, it is preceding installation end cap, rear installation end
Lid, fixing bolt, tail portion stop collar；The piston and piston rod are using GCr15 steel makings, quenched ranging from HRC:30-45,
The cylinder barrel employs the 45# steel makings through Overheating Treatment, quenched ranging from HRC:20—30；The piston centre is provided with logical
Hole, socket, which is provided with piston rod, in the through-hole becomes the whole both-end bar piston for being respectively provided with piston rod head and piston rod tail；
The connection card slot of relative direction configuration is provided in the middle part of the piston rod with piston socket place, with connecting card slot on the piston
The position matched is provided with fixed slot, and two-way close fit is there are two c-type snap ring in the fixed slot and connection card slot, two
The c-type snap ring is locked by screw；Two piston seal slots, the piston seal are provided on the outer circumference surface of the piston
It is equipped with piston packing in slot, the piston packing on the piston is connect with inner wall of cylinder sliding sealing；The piston
There are two bar snap rings with being socketed setting respectively on the piston rod of the two sides of piston rod socket；Piston rod tail portion upper sleeve gasket
It connects and is provided with rear end cap, the entirety both-end bar piston exterior socket is provided with cylinder barrel, and the front end of the cylinder barrel is equipped with front end
Lid, the cylinder barrel are clamped respectively with drive end bearing bracket, rear end cap sealing；Installation end cap before screens socket is provided on the drive end bearing bracket,
The rear end postoperculum installs end cap after being provided with, pass through six roots of sensation fixing bolt between installation end cap and rear installation end cap before described
It is fixedly connected, is socketed on the piston rod tail and is provided with tail portion stop collar.
A kind of 2. low friction double-act-ing hydraulic J-Horner according to claim 1, which is characterized in that the front end of the piston
Face, drive end bearing bracket, cylinder barrel surround out the front oil pocket of annular, and the ante-chamber that is connected with front oil pocket is provided on the drive end bearing bracket into fuel-displaced
Hole；Rear end face, rear end cap, the cylinder barrel of the piston surround out the back oil pocket of annular, are provided on the rear end cap and back oil pocket
Connection and back cavity are into oil outlet.
3. a kind of low friction double-act-ing hydraulic J-Horner according to claim 1, which is characterized in that the drive end bearing bracket, rear end
A plurality of interior sealing slot is respectively arranged on lid and piston rod socket place inner peripheral wall, interior sealing is equipped in institute's art interior sealing slot
Circle；External seal slot and exterior seal ring are provided on the socket periphery of the drive end bearing bracket, rear end cap and cylinder barrel.
A kind of 4. low friction double-act-ing hydraulic J-Horner according to claim 1, which is characterized in that the inner wall electricity of the cylinder barrel
Hard chrome is coated with, surface roughness is less than or equal to 0.2 μm；The entirety both-end bar piston face spraying is provided with superfine metal
Ceramic powder last layer, the hardness of the Investigation for Super-fine Cermets powder bed are more than or equal to 900HV, and surface roughness is less than or equal to 0.1 μm；
Therefore reduce the frictional force between inner wall of cylinder and piston, piston rod；Concentricity is less than or equal between the piston piston seal slot
0.05mm, ensure whole both-end bar piston stretch, contracting when can high-speed cruising, reduction low-frictional force.
A kind of 5. low friction double-act-ing hydraulic J-Horner according to claim 1, which is characterized in that the piston packing peace
Loaded on position among piston, the piston packing uses low friction oil resistant pressure resistance baffle ring, can bear the pressure that high pressure reaches 40MPa
Power, and under high-pressure situations whole both-end bar piston can high-speed cruising, under low voltage situations without creep, non-jitter phenomenon, it is real
Existing low pressure and mass flow high-speed smooth operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721556466.5U CN207526805U8 (en) | 2017-11-20 | 2017-11-20 | A kind of low friction double-act-ing hydraulic J-Horner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721556466.5U CN207526805U8 (en) | 2017-11-20 | 2017-11-20 | A kind of low friction double-act-ing hydraulic J-Horner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN207526805U true CN207526805U (en) | 2018-06-22 |
| CN207526805U8 CN207526805U8 (en) | 2018-08-10 |
Family
ID=62581466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721556466.5U Active CN207526805U8 (en) | 2017-11-20 | 2017-11-20 | A kind of low friction double-act-ing hydraulic J-Horner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207526805U8 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113165857A (en) * | 2018-09-05 | 2021-07-23 | Vis有限责任公司 | Horizontal jack power unit |
| US11597637B2 (en) | 2018-02-22 | 2023-03-07 | Vis, Llc | Under hoist support stand |
-
2017
- 2017-11-20 CN CN201721556466.5U patent/CN207526805U8/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11597637B2 (en) | 2018-02-22 | 2023-03-07 | Vis, Llc | Under hoist support stand |
| CN113165857A (en) * | 2018-09-05 | 2021-07-23 | Vis有限责任公司 | Horizontal jack power unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN207526805U8 (en) | 2018-08-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207526805U (en) | A kind of low friction double-act-ing hydraulic J-Horner | |
| CN107152456B (en) | Porous ultrasonic bearing | |
| CN109281890A (en) | A kind of hydraulic cylinder combined sealing structure and hydraulic cylinder | |
| CN206306728U (en) | A kind of high accuracy polyamide roller | |
| CN205841362U (en) | A kind of new type superthin cylinder | |
| CN204852337U (en) | High performance multipurpose cusp Y shape composite seal device | |
| CN209067581U (en) | A kind of hydraulic cylinder combined sealing structure | |
| CN210087717U (en) | Telescopic rotary hydraulic cylinder | |
| CN203640922U (en) | Plunger tilt cylinder hydraulic motor | |
| CN205260486U (en) | A wear -resisting piston rod subassembly for pneumatic cylinder | |
| CN204942597U (en) | High-performance ceramic ball valve | |
| CN208749717U (en) | A kind of double acting ceramic bar hydraulic cylinder | |
| CN209041314U (en) | A kind of corrosion-resistant crankshaft | |
| CN204552856U (en) | A kind of combined type selflubricating titanium alloy camshaft | |
| CN205478650U (en) | Graphite copper sheathing formula piston rod upper assembly of fungible guidance tape | |
| CN204493345U (en) | A kind of stainless steel piston rod | |
| CN215487609U (en) | Hydraulic cylinder piston rod with coating not easy to fall off | |
| CN219413268U (en) | Self-locking shaft sleeve | |
| CN216361138U (en) | Double-lip type sealing ring for gear transmission shaft of motor train unit | |
| CN205858839U (en) | A kind of Fan shape cylinder | |
| CN202718954U (en) | Novel hydraulic oil cylinder | |
| CN106321561A (en) | Sealing structure of hydraulic cylinder cover | |
| CN217539589U (en) | Piston rod convenient to maintain | |
| CN209800107U (en) | Pin-connected panel lightweight antifriction piston | |
| CN210396909U (en) | Piston assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CU01 | Correction of utility model patent | ||
| CU01 | Correction of utility model patent |
Correction item: Address Correct: Shanghai Caohejing Development Zone, Songjiang high tech park, No. 23, Xinzhu Road, 518 502 room -186 False: Jiangsu province Suzhou Shanghai Caohejing Development Zone Songjiang high tech Park Xinzhu Road 518 No. 23 building 502 room -186 Number: 25-02 Page: The title page Volume: 34 Correction item: Address Correct: Shanghai Caohejing Development Zone, Songjiang high tech park, No. 23, Xinzhu Road, 518 502 room -186 Number: 25-02 Volume: 34 |